Search Results - john+ortmann%2c+jr.

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Monolithic, unetched BTO strip waveguides

Background Electro-optic technology relies on the operation of systems/devices through the propagation and interaction of light with various tailored/optically active materials. Typical electro-optical devices are designed to modulate the properties of a light wave (e.g., phase, polarization, amplitude, frequency, direction of propagation) and include...

Published: 7/12/2024 | Inventor(s): Alexander Demkov, John Ortmann, Jr., Agham-Bayan Posadas

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Category(s): Physical sciences > Semiconductor, Physical sciences > Materials

STO/LAO quantum well structures

Background Electro-optic modulators play a key role in global communications and data transfer infrastructure. Most notably, they form the basis for optical transceiver technologies which connect high-throughput data centers to long-haul fiber optic communications lines. Due to rapidly expanding global data demands, the performance of such devices,...

Published: 11/1/2023 | Inventor(s): Alexander Demkov, John Ortmann, Jr., Agham-Bayan Posadas

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Category(s): Physical sciences > Semiconductor, Physical sciences > Semiconductor > Photonics

Large Pockels coefficient in BaTiO₃ (BTO) devices

BackgroundThe explosion of global data rates has led to an increased reliance on optical transceiver technologies for high-throughput data centers and high-performance computing. Photonic integrated circuits improve the performance of optical technologies and reduce their cost. Many key elements in photonic integrated circuits, such as modulators and...

Published: 11/1/2023 | Inventor(s): Alexander Demkov, John Ortmann, Jr., Marc Reynaud, Agham-Bayan Posadas, Margaret Duncan

Keywords(s): Photonics

Category(s): Physical sciences > Semiconductor